baber/WOPTO huggingface dataset:
Patent GB-345416-A (GB)
IPC: H01H37/04
Filed: 1930-02-06
Abstract: 345,416. Thermal switches. INTERNATIONAL GENERAL ELECTRIC CO., Inc., 120, Broadway, New York, U.S.A.- (Assignees of Allgemeine Elektricitõts-Ges. ; 2, Friedrich-Karl Ufer, Berlin.) Feb. 6, 1930, No. 4034. Convention date, Feb. 6, 1929. [Class 38 (v).] In a temperature regulator for use in a place subject to the presence of an explosive atmosphere such as a varnish drying stove bimetallic strip a actuates a bowed-spring b which, as it moves over with a snap-action, actuates contacts f, g ; and the contacts f, g are separated in a gastight manner from the members a, b which are in the place the temperature of which is to be regulated. The contacts f, g may, as in Fig. 1, be in a closed casing m separated by a wall r from the members a, b and operated by a rod i passing through the wall; or the necessary gastight separation may be secured by using a tilting mercury switch (Fig. 2, not shown) ; or the contacts f, g may be arranged outside the chamber the temperature of which is to be regulated (Fig. 3, not shown).
Patent GB-1536243-A (GB)
Title: Heat exchanger
IPC: F28F21/06
Filed: 1977-02-01
Abstract: The heat exchanger has a supporting and spacing cross (1) which consists of perforated flat material. The plastic hose (3) is drawn through the perforations, the hose being drawn in a multiply-wound spiral from the inside outwards. It is also possible to provide a plurality of plastic hoses next to one another in the same spiral arrangement. The cross consists of the same corrosion-resistant plastic as the hoses. The described design of the heat exchanger enables possible kinks to be excluded in conjunction with a space-saving accommodation of relatively large hose lengths. <IMAGE>
Patent GB-211692-A (GB)
Title: Improvements in carburettors for internal combustion engines
IPC: F02M9/133
Filed: 1923-02-13
Abstract: 211,692. A.M.A.C., Ltd., and Guy, W. L. Feb. 13, 1923. Spray carburettors.-A cylindrical mixing chamber A is reduced at B to form a seat for the conical end D of an axially movable valve 0 which, in addition to controlling the mixture, controls also additional air ports G. Air entering through apertures A<5> and slot A' passes a nozzle K to form a rich mixture in the interior of the valve, and when the valve is lowered this mixture passes through ducts J in the conical end D to mix with the air from the ports G on its way to the outlet B<2>. The valve has one or more rings C<3> actuated by a lever E and is prevented from rotating by a pin F in the slot A<4>. An adjustable sleeve J<1>, the bore of which is approximately of Venturi form, is screwed into the valve C. The bore may however vary otherwise or may be parallel. The nozzle K may be of large bore and its outlet regulated bv a stem L. The sleeve J<1> may carry a tube which projects down to the closed bottom of the mixture chamber and fits the nozzle K, such tube having slots to vary the fuel delivery. In a further modification the sleeve is dispensed with and the flow of air through the interior of the valve is controlled bv a conical plug sliding over the fuel nozzle. The plug is moved axially bv a radial arm thereon passing through an inclined slot in the wall of the mixing chamber.
Patent GB-139466-A (GB)
Title: Improvements in inking rollers for gelatine cliches
IPC: B41F31/00
Filed: 1920-02-11
Abstract: 139,466. Dorel, J. Feb. 26, 1919, [Convention date]. Inking-apparatus.-A hand inking-apparatus for gelatin printing surfaces comprises an inking roller and an ink-supply roller normally in contact with each other and carried by a frame provided with a handle for reciprocating it over the printing surface, means being provided for holding the rollers out of contact with each other when desired. The ink-supply roller 20 comprises a tube 6 of brass or aluminium closed by end disks 7 carrying bearing screws 8 engaging vertical slots 11 in arms 4 of the frame 2 and horizontal slots 10 in levers 12 pivoted to the frame 2 and connected by an integral rod 15. The roller 20 normally contacts with a gelatin inking-roller 16 carried in arms 5 of the frame 2, but may be lifted when desired by depressing the rod 15. The frame 2 is provided with an operating handle 3. When the apparatus is not in use, it is turned upside down, projections 17 of the arms 4 keeping the roller 20 out of contact with the supporting surface, and this roller falling by its own weight clear of the inking roller 16. The roller 20 is charged with ink by passing the roller 16 over an inked palette. The rollers may be cleaned by means of a scraper 19, Fig. 5, mounted in the arms 4 and adapted to be pressed by the operator against the roller 20 while rolling the apparatus over a flat surface.
Patent GB-768012-A (GB)
Title: Arrangement for supporting portable boring machines
Filed: 1955-02-14
Abstract: 768,012. Percussive drills. BAYETTO, A. Feb. 14, 1955 [Feb. 16, 1954], No. 4308/55. Class 124 A device for supporting a portable rock drill comprises a support to receive the drill rigidly secured to a member arranged to slide longitudinally of a vertical upright formed of at least one tube and having at its lower end a spindle held in a hole in the ground. As shown, a tubular upright 1 has a spindle 2 secured to a cylinder 3 in the lower, end of the tube, a detent 9 preventing relative rotation between cylinder and upright. A plate 13 secured to a piston 14 within the tubular upright has a support 12 to which may be secured the handles of a percussive drill and may also have a further support 15 carrying a weight 16. The plate 13 may be raised to the top of the upright by means of a cable passing over pulleys 19 to a hand winch 17. In a modification, Fig. 2 (not shown) the spindle may be secured in a flanged bush into which a spindle on the upright may enter, a locking device on the upright preventing relative rotation. The upright may be in two parts hinged together with means to lock the parts in the operative position. The drill handles may be supported in two ferrules 33, Fig. 3, carried on stays 34 attached to pistons 35 in tube 36 connected to the plate 13.
Patent GB-450486-A (GB)
Title: Improvements in or relating to valve tappets
IPC: F01L1/14
Filed: 1935-02-11
Abstract: 450,486. Making valve tappets for engines. WILCOX-RICH CORPORATION, 9771, French Road, Detroit, Michigan, U.S.A.- (Assignees of Schneider, G.) Feb. 11, 1935, Nos. 4335 and 4337. Convention dates, May 17, 1934 and Oct. 19, 1934. [Classes 83 (ii) and 83 (iv)] A tubular body portion 1 of a readily forgeable and machinable material is provided with a thickened flange 2, to which is welded a preformed disc 8 of wear resistant material. The disc is of .substantially uniform thickness and of relatively non-machinable and non-forgeable material. In the apparatus shown in Figs. 4 and 5, the welding is performed with the aid of electrodes 9, 10, the flange 2 being bevelled on its upper face 3 to provide line contacts with the disc 8. The welded assembly is then placed between dies 12, 13, Fig. 7, having an upper cavity slightly larger than the flange and with an inclined lower face of slightly less inclination than a corresponding inclination on the bottom of the flange. After the subsequent forging operation the tappet head assumes the form shown. In another construction, the upper face of the flanged part is inclined downwardly from the outside thereof to present a line of contact with the electrode on the outside edge of the flange.
Patent GB-490597-A (GB)
Title: Improvements in or relating to tuning systems for thermionic valve circuits
IPC: H03J7/04
Filed: 1937-02-13
Abstract: 490,597. Wireless receiving-circuits. KINROSS, R. I. Feb. 13, 1937, No. 4336. [Class 40 (v)] The frequency response characteristic of the frequency discriminator network of a receiver having automatic frequency control is made variable so that the local oscillator frequency may yield an intermediate frequency displaced to one side or the other of the nominal intermediate frequency. By this means the I.F. band may be displaced to one side of the nominal I.F. away from an interfering carrier on the other side. The Figure shows an ordinary two circuit error detector employing circuits 5, 6 tuned above and below the true I.F., the resultant control voltage across the load resistances 11, 12 being applied to the oscillator 2. According to the invention the inductances or condensers 7, 8 are made variable and ganged so that as the frequency of one recedes from the nominal I.F., the other approaches it. In Fig. 2 (not shown) the invention is applied to a phase-responsive discriminator of the kind described in Specification 489,094. Specification 247,175, [Class 40 (v)], also is referred to.
Patent GB-1379096-A (GB)
Title: Control system for regulating the output speed of dc motors
IPC: H02P7/292
Filed: 1972-01-31
Abstract: 1379096 Automatic speed control UNION CARBIDE CORP 31 Jan 1972 [1 Feb 1971] 4358/72 Heading G3R The speed of a D.C. motor, which may drive a consumable welding electrode, is regulated by an arrangement in which the measured back EMF of the motor is compared with a reference D. C. ramp voltage, in a differential amplifier. In the system shown, a differential amplifier 12 receives an input 1 from a sensing circuit 20 connected to motor M, and an input 2 from a reference source 14 including a ramp generator 24 synchronized with mains A. C. and a speed setting control 22 which determines the D. C. level of the ramp voltage. The output of amplifier 12 is of  constant magnitude with its polarity determined by the relative values of inputs 1, 2, so that in each half-cycle, when the level of the ramp voltage reaches the back EMF signal level, the output of the amplifier switches to negative and triggers a gating circuit 18 to supply current to the motor M for the remainder of the half-cycle. An integrating circuit 28 senses the voltage across a resistor R in the motor circuit and increases the sensitivity of the system at low speeds. A bias source 26  opposes the control source 28 to prevent anomalous operation at a zero speed setting. The gating circuit 18 includes a rectifier bridge having two thyristors connected with opposite polarity and fired by way of a Zener diode and two transistors switched by the output from amplifier 12, Fig. 3 (not shown).
Patent GB-1356361-A (GB)
Title: Composition and process for electrolytic cleaning
IPC: C25F1/00
Filed: 1972-01-31
Abstract: 1356361 Phosphoric acid monoesters BASF WYANDOTTE CORP 31 Jan 1972 [8 Feb 1971] 4405/72 Heading C2P [Also in Divisions C3 and C7]  An electrolytic caustic cleaning composition comprises 0À35-3À0% wt. monophosphate ester of an oxyalkylated alcohol of the formula A-O-R-H, A = alkyl group 10-20 carbon atoms, R = mixture of oxyethylene and oxypropylene being 67-80% of the weight of the oxyalkylated alcohol and the weight of oxyethylene to oxypropylene being 3 : 1 to 7 : 1. The alcohol may be decyl, dodecyl, tetradecyl, cetyl, lauryl, stearyl or eicosyl alcohol; it is oxyalkylated by condensing the alcohol with a mixture of ethylene oxide and propylene oxide in the presence of an alkaline catalyst. The oxyalkylated alcohol is reacted with phosphoric acid to produce the phosphate ether. The alkyl group is preferably MW 160-260. The composition may also contain caustic soda, sodium metasilicate, sodium gluconate and soda ash. The composition is used in the concentration 40-120 gm./litre of water.
Patent GB-598221-A (GB)
Title: Improvements in two-stroke engines employing crankcase compression
IPC: F02B25/00
Filed: 1946-02-13
Abstract: 598,221. Two-stroke engines; valves. HAMMOND, E. V. Feb. 13, 1946, No. 4476. [Classes 7 (ii) and 7 (vi)] A two-stroke engine using crankcase compression has a light suction operated spring loaded valve 6 in the inlet manifold whose port 2a is uncovered by the piston at a predetermined point in the upstroke of the piston,. Fig. 2, so that a partial vacuum exists in the crankcase when the valve opens and increased suction on the carburetter is obtained. The valve immediately closes when the piston commences the downward crankcase compression stroke. If the cylinder and crankcase 1 are cast integrally, as shown, the gudgeon pin is inserted into the piston through the port 2a and an opposed hole 2 which is normally sealed by a plug 3.
Patent GB-287895-A (GB)
IPC: H01R43/12
Filed: 1928-02-13
Abstract: 287,895. Siemens, C. F. von, Siemens, H. vom, and Franke, A., (trading as Siemens & Co., Geb.). March 29, 1927, [Convention date]. Addition to 285,081. Brushes. - Consists in pressing the material of the brush in a direction parallel to the running surface. As shown in Fig. 1, the brush a is pressed upon a bottom die c in a direction parallel to the running surface b. The metal insert d and the body of the brush are drilled at g, to receive screws, from the surface f opposite to the surface b. Fig. 2 shows a. modification.
Patent GB-130690-A (GB)
Title: Improvements in or relating to Rigid Airships.
IPC: B64D7/02
Filed: 1918-03-14
Abstract: 130,690. Vickers, Ltd., and McKechnie, Sir J. March 14, 1918. Cars; guns, dispositions of.-The rear end of a rigid air-ship is formed with a depression so as to leave a platform B above the centre line of the air-ship for the accommodation of a gun or a search-light or to serve as a look-out position, the part D beneath the platform having a seat for the gunner, operator, or observer. A Scarff gun mounting is shown on the platform, the gun being capable of being fired vertically downwards over the sides of the platform. The seat D<1> can slide longitudinally, and has a spring-supported back D<2>. Access to the space D is obtained through a passage D<4> in the air-ship.
Patent GB-514879-A (GB)
Title: Fusible bursting explosive
IPC: C06B31/38
Filed: 1938-02-15
Abstract: 514,879. Explosives. TONEGUTTI, M. Feb. 15, 1938. No. 4683. Void. Convention date, Feb. 16, 1937. [Class 9 (ii)] An ammonium nitrate explosive contains dicyandiamide, to promote fusibility, and tetranitropentaerythrite. An example given is ammonium nitrate 70 parts by weight, dicyandiamide 10 parts, and tetranitropentaerythrite 20 parts.
Patent GB-507948-A (GB)
Title: Improvements in and relating to the tuning of radio receivers
IPC: H03J1/04
Filed: 1938-02-15
Abstract: 507,948. Adjusting wireless apparatus ; indicating-apparatus. MURPHY RADIO, Ltd., and FISHER, L. Feb. 15, 1938, No. 4711. [Class 37] [Also in Croup XIX] In order to open the scale of the short wave band of a radio receiver, the shortwave tuning scale 8 is combined with a vernier 9 comprising a part moving with the tuning means, such as the drum 1, and marked with a number of evenly spaced transparent lines, and a fixed part comprising a number of evenly spaced transparent lines on the transparent fixed plate 7, the spacings differing in known manner for vernier scales. The plate 7 carries an index mark 4 and each station in the long and medium wave bands 3, 2 is indicated by a registering mark 6. The scale arrangement and illumination is such that a mark on the moving scale is only illuminated against a dark background when it coincides with a mark on the plate 7. Alternatively, the vernier may be constituted by a circle of translucent dots containing numerals and co-operating with a series of spiral dots on the rotating drum 1. Greater subdivision may be obtained by mutually inclining the two sets of gradations and extending their length. Specifications 457,091, 477,096, and 489,370 are referred to.
Patent GB-114212-A (GB)
Title: Improvements in Air-brushes.
Inventor: ATTWOOD LOUISE MARY
IPC: B05B7/06
Filed: 1917-04-03
Abstract: 114,212. Attwood, L. M. April 3, 1917. A i r - pressure sprayers. - In order to provide easy access to the liquid head, colour tip, and needle valve of an air brush for cleaning purposes, a detach. able collar d, having an internally screwed flange e engaging the end of the colour head b, carries the colour nozzle g and has screwed to it a conical nozzle i. The space between the colour nozzle and outer nozzle communicates with the air passage b<3> by means of ports f formed in the collar.
Patent GB-967824-A (GB)
Title: A new or improved display material
IPC: G09F7/14
Filed: 1961-02-09
Abstract: 967,824. Laminates. L. D. ALLEN, R. A. ALLEN, and W. H. ALLEN, [trading as ALLEN BROS PATENTS]. Feb. 8, 1962 [Feb. 9, 1961], No. 4870/61. Heading B5N. [Also in Division B6] A display device comprises a figure, numeral or shape of foam plastic which is bonded with a backing of cloth or similar material which will prevent appreciable distortion of the shape. The outer face of the backing material may have an adhesive, for example of the pressure sensitive or self-adhering type, applied to it, and this may be protected by a removable siliconized paper. The foam plastic may be of polyurethane, and the surface remote from the backing may be coloured, for example, by spraying.
Patent GB-1399042-A (GB)
Title: Mixed oxide catalyst and its use in the catalytic decomposition of hydrogen peroxide
IPC: H01M8/0606
Filed: 1973-01-31
Abstract: 1399042 Generation of oxygen for fuel cells SIEMENS AG 31 Jan 1973 [16 Feb 1972] 4984/73 Heading H1B [Also in Division B1 Fuel cells are supplied with oxygen formed by the decomposition of hydrogen peroxide over a catalyst comprising the oxides of Mn, Co, Cu, Ag and Pb.
Patent GB-339199-A (GB)
Title: An improved case or holder for displaying labels or the like
IPC: G09F3/18
Filed: 1930-02-14
Abstract: 339,199. Cook, J. W., and Anglo- American Oil Co., Ltd. Feb. 14, 1930. Label holders.-A case or holder for labels comprises a pair of frames for retaining sheets of glass between which the label is placed, the frames being secured by screws spaced round the periphery, one or more of the screws extending through both frames and being bored for a sealing wire, and one of the frames having adjustable means for attachment to a tubular body. The frame c is undercut to take the glass sheets d, e, which are held in place by the flanged frame a secured to the frame c by screws g, one, not shown, being extended and provided with a sealing wire. The attaching means consists of a U-shaped member k fitted with a series of holes j<2> to take a bolt l, which also passes through holes in a curved member m.
Patent GB-221155-A (GB)
Title: Mud guard or anti-splash device for use on the wheels of motor cars
IPC: B60B7/00
Filed: 1924-02-27
Abstract: 221,155. Birch, K., and Hansen, J. Feb. 27, 1924. No Patent granted (Sealing fee not paid). Mud-guards rotating with wheels.-Each guard comprises an outer flexible member g secured by rivets f to an arched annular member d having lugs d<1> which are detachably secured to clamps b fitted on the wheel spokes. The member g is formed in detachable sections and may be reinforced with wire gauze or the like.
Patent GB-978822-A (GB)
Title: Improvements in safe load indicating devices for cranes
IPC: B66C23/90
Filed: 1962-02-09
Abstract: 978,822. Safe load indicators for jib cranes. R. L. AITKEN. Feb. 6, 1963 [Feb. 9, 1962], No. 5096/62. Heading B8B. When the maximum safe load of a jib crane is approached switches 26, 27, Fig. 1, are closed by a lever 11, the position of which is controlled by the angle of the jib of the crane through a link 12 and by the weight of the load which acts through a link 1. The load on the link 1 tends to raise the lever 11 against the resistance of an adjustable spring 7. Angular changes of the jib turn a cam 13 through links 12, 12a and a shaft 14 so that a lever 15 with a camfollower 16 pivots about a pin 17 to move a crosshead 18, which forms a second pivot for the lever 11, in a slot 20. One of the switches is operated before the other to provide a warning of the approach of the maximum safe load. In a second embodiment, Fig. 2, a bell-crank 49 operates switches 60, 61 and is pivoted about a pin 50 by the load which acts through links 31, 32, 51 and a crosshead 54. Change of jib angle causes rotation of a cam 43 through links 42, 42a and a shaft 44. This rotation is transmitted to the bell-crank 49 by a cam-follower 46, a lever 48 and a control wire 56 which slides the crosshead 54 on the bell-crank 49 against the force of a spring 55. The switches may operate audible or visible warning systems and the coil springs 7, 37 may be replaced by compression springs, compressed gas, or rubber blocks.
Patent GB-728960-A (GB)
Title: Improvements in the knitting of articles such as stockings
IPC: D04B9/46
Filed: 1952-02-27
Abstract: 728,960. Knitting. SKOLE, V. Feb. 27, 1952 [Feb. 28, 1951], No. 5175/52. Class 74 (2). Ladders from the toe tip are stopped by two lines of outwardly transferred stitches which start at two next adjacent wales 4, 5 and diverge outwardly towards the toe tip, the first loop transfer being made from one wale 4 only to the next outwardly situated wale 6 and thereafter pairs of loops, one in each line, being simultaneously transferred outwardly. When this loop transfer is to be begun, bars 7, 8, carrying transfer needle holders 9, 10, are moved to cause the holders to abut, as shown. The bar 7 is connected directly to a control arm, but the bar 8 derives its outward movement from a control arm 12, through a sleeve 21, a vertically slidable packing bar 20 and a bolt 18 screwed into a U-bracket 13 secured to the bar. As the closely approximated holders 9, 10 make their first descent, the nose 31 of bar 20 strikes an abutment 33 and the bar is raised to bring a thinner part thereof between sleeve 21 and the head 19 of bolt 18, providing such clearance that the holder 10 does not take part in the first outward movement but only in subsequent movements. When widening has progressed to the desired extent, a second vertically slidable bar 26 is pushed up by an abutment 41, as the transfer apparatus descends and, through a rocker 30, restores bar 20 to its original position. Springs 42, 43 locate the slide bars in the two positions. Inclined surfaces 32, 34 and a spring 36 allow abutment 33 to yield, if the nose 31 should engage the abutment from below, at the end of a narrowing operation continued to the middle of the blank, as in terminating the toe. Specification 633,623 is referred to.
Patent GB-397473-A (GB)
Title: Improvement in attaching wrist straps to watches, personal ornaments and the like
IPC: A44C5/16
Filed: 1932-02-22
Abstract: 397,473. Attaching watches &c. to wrist. CHUMAS, C., 59, Hatton Garden, London. Feb. 22, 1932, No. 5189. [Class 43.] For attaching a wrist strap to the lug of a watch, ornament, or other article, a metal stud is provided comprising a disc or base 3 rotatably and permanently mounted within the attaching end of the strap and having a flat T-stem 2 upstanding therefrom. The T-stem is adapted to pass through a slit 5 in the strap part 4 which is passed through the lug and turned over, the T-stem being afterwards turned at right-angles to the slit. The T-stem may then be bent over to lie flat on the strap. The disc 3 may be concealed between two plies 1, 1a of the strap, one ply being extended to form the part 4. The T-stem may be concealed by a separate cover or a third ply.